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A rare element of the vanadium group, first found in a variety of the mineral columbite occurring in Connecticut, probably at Haddam. Atomic weight 94.2. Symbol Cb or Nb. Now more commonly called niobium.

memorandum; something to be frequently consulted or referred to. Whatever, in my reading, occurs concerning this our fellow creature, I do never fail to set it down by way of commonplace. Swift. Commonplace book, a book in which records are made of things to be remembered.

It is also the case of a future uncertain event, which may or may not happen, and on the occurrence or non-occurrence of which, the accomplishment, recission, or modification of an obligation or testamentary disposition is made to depend. Blount. Tomlins. Bouvier. Wharton. Equation of condition. (Math.) See under Equa…

Living, existing, or occurring at the same time; contemporary. The great age of Jewish philosophy, that of Aben Esra, Maimonides, and Kimchi, had been contemporaneous with the later Spanish school of Arabic philosophy. Milman - Con*tem`po*ra"ne*ous*ness, n.

Living, occuring, or existing, at the same time; done in, or belonging to, the same times; contemporaneous. This king [Henry VIII.] was contemporary with the greatest monarchs of Europe. Strype.

An event which may or may not occur; that which is possible or probable; a fortuitous event; a chance. The remarkable position of the queen rendering her death a most important contingency. Hallam.

Possible, or liable, but not certain, to occur; incidental; casual. Weighing so much actual crime against so much contingent advantage. Burke.

Occuring in steady and rapid succession; very frequent; often repeated. The eye is deligh by a continental succession of small landscapes. W. Irwing. Continual proportionals (Math.), quantities in continued proportion. Brande & C.

A glucoside occurring in jalap (the root of a convolvulaceous plant), and extracted as a colorless, tasteless, gummy mass of powerful purgative properties.

A colorless or yellowish oil, C10H15N, of a leathery odor, occuring in coal tar, Dippel's oil, tobacco smoke, etc., regarded as an organic base, homologous with pyridine. Also, one of a series of metameric compounds of which coridine is a type. [Written also corindine.]

death, or death in prison, usually on sight of the body and at the place where the death occurred. [In England formerly also written and pronounced crowner.]

A native sulphide of copper, occuring in masses of a dark blue color; -- hence called indigo copper.

atin but more basic in its properties, formed from the latter by the action of acids, and occurring naturally in muscle tissue and in urine. [Written also kretinine.]

The state or quality of being critical, or of occurring at a critical time.

A mineral occuring in silky fibers of a lavender blue color. It is related to hornblende and is essentially a silicate of iron and soda; -- called also blue asbestus. A silicified form, in which the fibers penetrating quartz are changed to oxide of iron, is the yellow brown tiger-eye of the jewelers.…

Lead chromate occuring in crystals of a bright hyacinth red color; -- called also red lead ore.

A hard mass, made up of dried secretions blood, or pus, occurring upon the surface of the body.

One of the microscopic particles resembling crystals, consisting of protein matter, which occur in certain plant cells; -- called also protein crystal.

The red oxide of copper; red copper; an important ore of copper, occurring massive and in isometric crystals.

A variety of cellulose, occuring as a fine transparent membrane covering the aerial organs of plants, and forming an essential ingredient of cork; by oxidation it passes to suberic acid.